Seal Retainer 302949
Product Name: Seal Retainer (Part No. 302949)
Description:
This component is a seal retainer, a precision-machined mechanical component specifically designed for the high-pressure dynamic seal stack in waterjet intensifier pumps. It serves as the structural housing that positions and secures the dynamic seal assembly within the high-pressure cylinder. The seal retainer works in conjunction with O-rings and dynamic seals to create a leak-tight barrier between the reciprocating plunger and the cylinder bore. It is engineered to withstand ultra-high pressure operation up to 60,000 PSI (approximately 4,137 bar) and is manufactured from corrosion-resistant materials for durability in waterjet environments.
The seal retainer is a critical component of the Seal and Retainer Assembly (P/N 302948), which also includes dynamic seal (302951) and O-rings (200377, 201707). It is designed as a direct OEM replacement part for OMAX and AccuStream waterjet intensifier pumps.
Applications:
Positions and secures the dynamic seal assembly within the high-pressure cylinder of waterjet intensifier pumps
Provides structural support for O-rings and dynamic seals in the seal stack
Used during pump Minor Maintenance, Major Maintenance, and Overhaul procedures
Suitable for ultra-high pressure waterjet systems operating at 60,000 PSI and above
Compatible with OMAX, MAXIEM, KMT, and AccuStream waterjet systems
Features:
Precision-Machined Construction: Manufactured to exact tolerances for proper fit within the high-pressure cylinder bore
Corrosion-Resistant Material: Designed to withstand harsh waterjet operating environments with exposure to water and hydraulic fluids
Critical Seal Stack Component: Provides the structural housing that maintains proper alignment of dynamic seals
OEM Quality: Direct replacement part meeting original equipment specifications
Cross-Reference Compatibility: Interchangeable with OMAX #302949, WO302949, WSI MX302949
Maintenance:
When to Replace (Failure Diagnosis):
Visible Wear or Damage: During pump disassembly, inspect the seal retainer for signs of scoring, pitting, galling, corrosion, or surface degradation
External Water Leakage: Water weeping from the pump weep hole or cylinder area may indicate seal retainer damage compromising the seal stack
Pressure Drop: Inability to maintain rated cutting pressure may indicate seal retainer wear affecting dynamic seal performance
Scheduled Overhaul: The seal retainer should be inspected during major pump maintenance intervals (every 4,500-5,000 operating hours) and replaced if any wear is detected
Inspection and Replacement Guidelines:
Full Depressurization (Critical): Before any maintenance, fully depressurize the waterjet system and follow lockout/tagout procedures
Clean Room Conditions: Perform maintenance in a designated clean area to prevent contamination of components with abrasive particles. Wear disposable gloves to prevent natural oils from being introduced to seal materials
Complete Assembly Replacement: When servicing the dynamic seal, it is recommended to replace the entire Seal and Retainer Assembly (P/N 302948) rather than individual components
Cylinder Bore Inspection: Before reinstalling the seal retainer, inspect the high-pressure cylinder bore for scoring, pitting, or out-of-round conditions
Surface Inspection: Inspect the seal retainer for nicks, scratches, or surface damage that could compromise sealing
Proper Lubrication: Apply manufacturer-recommended high-pressure grease to the seal retainer and associated seals during installation
Torque Compliance: When reassembling, tighten all retaining components to the specific torque values listed in the equipment service manual
Replacement Criteria: Replace the seal retainer immediately if visible wear, scoring, pitting, cracking, or deformation is detected
Cross-Reference Part Numbers: OMAX #302949, WO302949, WSI MX302949
Cross-Reference Information:
OMAX #302949
WO302949
WSI #MX302949
Component of Seal and Retainer Assembly (P/N 302948)








